Mechanics

AIR COND NOT WORKING PROPERLY

1999 Dodge Ram • 6 cylinder 2WD Automatic • 200,000 miles

Air comes out of defrost vents only
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Barron pilgrim
June 23, 2014.




Check the actuators under the dash. On older vehicles, the actuators used to be controlled by vacuum. If vacuum was lost, it would default to defrost. On newer vehicles the actuators are usually electric. I'll have to check about yours.
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JDL
Jun 23, 2014.
The actuators are vacuum controlled. I'd have to check for loss of vacuum.

JDL
Jun 23, 2014.

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